package com.heima.article.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.heima.article.entity.ApAuthor;
import com.heima.article.mapper.ApAuthorMapper;
import com.heima.article.service.IApAuthorService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.common.dto.ResponseResult;
import com.heima.common.enums.AppHttpCodeEnum;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * <p>
 * APP文章作者信息表 服务实现类
 * </p>
 *
 * @author mcm
 * @since 2022-03-12
 */
@Service
public class ApAuthorServiceImpl extends ServiceImpl<ApAuthorMapper, ApAuthor> implements IApAuthorService {

    @Override
    public ResponseResult<ApAuthor> saveApAuthor(ApAuthor entity) {
//判断作者是否存在
       /* if (entity==null||entity.getUserId()==null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }*/
        //根据userID查询
        LambdaQueryWrapper<ApAuthor> query=new LambdaQueryWrapper<>();
        query.eq(ApAuthor::getUserId, entity.getUserId());
        ApAuthor one = this.getOne(query);
        //如果存在直接返回
        if (one!=null) {
            return ResponseResult.okResult(one);
        }
        //设置时间
        entity.setCreatedTime(new Date());
        //否则新增作者
        this.save(entity);
        return ResponseResult.okResult(entity);
    }

}
